In a certain article, laser therapy was discussed as a useful alternative to drugs in pain management of chronically ill patients. To measure pain threshold, a machine was used that delivered low-voltage direct current to different parts of the body (wrist, neck, and back). The machine measured current in milliamperes (mA). The pretreatment experimental group in the study had an average threshold of pain (pain was first dețectable) at u = 3.13 mA with standard deviation o = 1.18 mA. Assume that the distribution of threshold pain, measured in milliamperes, Is symmetric and more or less mound-shaped. (Round your answers to two decdmal places.) (a) Use the empirical rule to estimate a range of milliamperes centered about the mean in vihich about 68% of the experimental group will have a threshold of pain from mA mA to threshold of pain (b) Use the empirical rule to estimate a range of milliamperes centered about the mean in which about 95% of the experimental group will have from mA to
In a certain article, laser therapy was discussed as a useful alternative to drugs in pain management of chronically ill patients. To measure pain threshold, a machine was used that delivered low-voltage direct current to different parts of the body (wrist, neck, and back). The machine measured current in milliamperes (mA). The pretreatment experimental group in the study had an average threshold of pain (pain was first dețectable) at u = 3.13 mA with standard deviation o = 1.18 mA. Assume that the distribution of threshold pain, measured in milliamperes, Is symmetric and more or less mound-shaped. (Round your answers to two decdmal places.) (a) Use the empirical rule to estimate a range of milliamperes centered about the mean in vihich about 68% of the experimental group will have a threshold of pain from mA mA to threshold of pain (b) Use the empirical rule to estimate a range of milliamperes centered about the mean in which about 95% of the experimental group will have from mA to
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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